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Graph Neural Networks (GNNs) have attracted tremendous attention by demonstrating their capability to handle graph data. However, they are difficult to be deployed in resource-limited devices due to model sizes and scalability constraints…

机器学习 · 计算机科学 2023-02-02 Yijun Tian , Shichao Pei , Xiangliang Zhang , Chuxu Zhang , Nitesh V. Chawla

Knowledge graph simple question answering (KGSQA), in its standard form, does not take into account that human-curated question answering training data only cover a small subset of the relations that exist in a Knowledge Graph (KG), or even…

计算与语言 · 计算机科学 2020-05-26 Georgios Sidiropoulos , Nikos Voskarides , Evangelos Kanoulas

Retrieval-Augmented Generation (RAG) enables large language models to provide more precise and pertinent responses by incorporating external knowledge. In the Query-Focused Summarization (QFS) task, GraphRAG-based approaches have notably…

信息检索 · 计算机科学 2025-04-11 Yubin Hong , Chaofan Li , Jingyi Zhang , Yingxia Shao

Real-world Knowledge Graphs (KGs) often suffer from incompleteness, which limits their potential performance. Knowledge Graph Completion (KGC) techniques aim to address this issue. However, traditional KGC methods are computationally…

计算与语言 · 计算机科学 2023-11-03 Alla Chepurova , Aydar Bulatov , Yuri Kuratov , Mikhail Burtsev

Sharing and reusing research artifacts, such as datasets, publications, or methods is a fundamental part of scientific activity, where heterogeneity of resources and metadata and the common practice of capturing information in unstructured…

Knowledge Graph Completion (KGC) aims to infer missing information in Knowledge Graphs (KGs) to address their inherent incompleteness. Traditional structure-based KGC methods, while effective, face significant computational demands and…

计算与语言 · 计算机科学 2025-04-01 Jianfang Chen , Kai Zhang , Aoran Gan , Shiwei Tong , Shuanghong Shen , Qi Liu

Integration and analysis of multi-omics data provide valuable insights for improving cancer subtype classification. However, such data are inherently heterogeneous, high-dimensional, and exhibit complex intra- and inter-modality…

定量方法 · 定量生物学 2026-02-13 Tiantian Yang , Zhiqian Chen

Domain generalization (DG) strives to address distribution shifts across diverse environments to enhance model's generalizability. Current DG approaches are confined to acquiring robust representations with continuous features, specifically…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Shaocong Long , Qianyu Zhou , Xikun Jiang , Chenhao Ying , Lizhuang Ma , Yuan Luo

Open Domain Question Answering (QA) is evolving from complex pipelined systems to end-to-end deep neural networks. Specialized neural models have been developed for extracting answers from either text alone or Knowledge Bases (KBs) alone.…

计算与语言 · 计算机科学 2018-09-05 Haitian Sun , Bhuwan Dhingra , Manzil Zaheer , Kathryn Mazaitis , Ruslan Salakhutdinov , William W. Cohen

Knowledge Graphs (KGs) serving as semantic networks, prove highly effective in managing complex interconnected data in different domains, by offering a unified, contextualized, and structured representation with flexibility that allows for…

计算与语言 · 计算机科学 2024-10-01 Azmine Toushik Wasi

In medical image segmentation tasks, Domain Generalization (DG) under the Federated Learning (FL) framework is crucial for addressing challenges related to privacy protection and data heterogeneity. However, traditional federated learning…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Yucheng Song , Chenxi Li , Haokang Ding , Zhining Liao , Zhifang Liao

We propose a new end-to-end method for extending a Knowledge Graph (KG) from tables. Existing techniques tend to interpret tables by focusing on information that is already in the KG, and therefore tend to extract many redundant facts. Our…

信息检索 · 计算机科学 2019-07-16 Benno Kruit , Peter Boncz , Jacopo Urbani

Graph foundation models (GFM) aim to acquire transferable knowledge by pre-training on diverse graphs, which can be adapted to various downstream tasks. However, domain shift in graphs is inherently two-dimensional: graphs differ not only…

计算与语言 · 计算机科学 2026-03-12 Xingtong Yu , Shenghua Ye , Ruijuan Liang , Chang Zhou , Hong Cheng , Xinming Zhang , Yuan Fang

Graph learning plays a vital role in mining and analyzing complex relationships within graph data and has been widely applied to real-world scenarios such as social, citation, and e-commerce networks. Foundation models in computer vision…

机器学习 · 计算机科学 2025-11-19 Haihong Zhao , Zhixun Li , Chenyi Zi , Aochuan Chen , Fugee Tsung , Jia Li , Jeffrey Xu Yu

Across the financial domain, researchers answer complex questions by extensively "searching" for relevant information to generate long-form reports. This workshop paper discusses automating the construction of query-specific document and…

信息检索 · 计算机科学 2022-11-09 Iain Mackie , Jeffrey Dalton

Knowledge graphs (KGs) are important products of the semantic web, which are widely used in various application domains. Healthcare is one of such domains where KGs are intensively used, due to the high requirement for knowledge accuracy…

人工智能 · 计算机科学 2025-07-31 Yuzhang Xie , Xu Han , Ran Xu , Xiao Hu , Jiaying Lu , Carl Yang

The recent integration of Graph Neural Networks (GNNs) into recommendation has led to a novel family of Collaborative Filtering (CF) approaches, namely Graph Collaborative Filtering (GCF). Following the same GNNs wave, recommender systems…

Knowledge graph (KG) alignment and completion are usually treated as two independent tasks. While recent work has leveraged entity and relation alignments from multiple KGs, such as alignments between multilingual KGs with common entities…

计算与语言 · 计算机科学 2022-10-19 Vinh Tong , Dat Quoc Nguyen , Trung Thanh Huynh , Tam Thanh Nguyen , Quoc Viet Hung Nguyen , Mathias Niepert

Reasoning on the knowledge graph (KG) aims to infer new facts from existing ones. Methods based on the relational path have shown strong, interpretable, and transferable reasoning ability. However, paths are naturally limited in capturing…

人工智能 · 计算机科学 2022-01-24 Yongqi Zhang , Quanming Yao

Knowledge graphs (KGs) composed of users, objects, and tags are widely used in web applications ranging from E-commerce, social media sites to news portals. This paper concentrates on an attractive application which aims to predict the…

信息检索 · 计算机科学 2020-07-17 Chenyang Li , Xu Chen , Ya Zhang , Siheng Chen , Dan Lv , Yanfeng Wang